v3.10.0.1

Income Taxes (Details 6) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns [Roll Forward]
Balance at January 1	$ 350.4	$ 217.0	$ 486.8
Additions for tax positions of prior years	457.4	138.8	2.0
Additions based on tax positions related to the current year	180.0	4.5	5.6
Reductions for tax positions of prior years	(117.9)	(20.4)	(183.5)
Foreign currency translation	(8.5)	14.1	(2.1)
Lapse of statute of limitations	(3.6)	0.0	(78.3)
Settlements with tax authorities	0.0	(3.6)	(13.5)
Balance at December 31	$ 857.8	$ 350.4	$ 217.0

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Unrecognized tax benefits resulting from foreign currency translation.

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Amount of unrecognized tax benefits.

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Amount of increase in unrecognized tax benefits resulting from tax positions that have been or will be taken in current period tax return.

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